ISRO Technician-B Fitter Question Paper - 2019 (Set - 1) with Answer Key

ISRO Technician-B Fitter Question Paper - 2019 (Set - 1) with Answer Key

51) The form of thread in a saw tooth thread is

Answer is:

Inclination of 3 Degree on one side and 30 Degree on the other side

52) The taper in a taper pin reamer is

Answer is:

1 in 50

53) A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and ifthe oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

Answer is:

11.65 mm

A hole is to be made on mild steel with a 12 mm diameter reamer. If the under size is 0.3 mm and ifthe oversize is 0.05 mm, what will be the diameter of the drill for drilling the hole before reaming?

54) The side of a regular hexagon is 10 mm. What is the across flat to flat of the hexagon?

Answer is:

17.32

55) The process of dipping anodized parts in hot water is known as

Answer is:

Sealing

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